package com.company;
class Customer{
    String name;
    Customer(String name){
        this.name=name;
    }
}

public class CallbyValue {
    public static void main(String[] args) {
        Customer c1=new Customer("Justin");
        some(c1);
        System.out.println(c1.name);
        Customer c2=new Customer("Justin");
        other(c2);
        System.out.println(c2.name);
    }
    static void  some(Customer c){
        c.name="John";
    }
    static void other(Customer c){
        c=new Customer("Bill");
    }

}
